– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sat 22 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 22 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 22 Aug Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 7mm), mostly falling on Sun morning. Warm (max 27°C on Tue morning, min 13°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 30°C on Tue afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  | | | | | |  | | | | |
risk tstorm | rain shwrs | light rain | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | rain shwrs | rain shwrs | clear | |
Cloud base (m) | 700 | 900 | 650 | 800 | 9150 | 5550 | 850 | 850 | |||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.5 | 1.7 | 3 | 0.8 | 0.1 | — | — | — | — | — | — | — | — | — | 0.2 | 0.6 | — |
max °C | 19 | 17 | 14 | 16 | 16 | 21 | 26 | 21 | 27 | 30 | 23 | 21 | 23 | 18 | 15 | 18 | 15 |
min °C | 18 | 13 | 14 | 15 | 13 | 16 | 25 | 20 | 23 | 29 | 18 | 19 | 22 | 14 | 14 | 16 | 11 |
chill °C | 18 | 13 | 14 | 15 | 13 | 16 | 25 | 20 | 23 | 29 | 18 | 19 | 22 | 14 | 14 | 16 | 11 |
Freezing level m | 3800 | 3150 | 3100 | 3350 | 3950 | 3950 | 4050 | 4000 | 4100 | 4300 | 4200 | 4050 | 3950 | 3700 | 3300 | 3200 | 3300 |
 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — |
 | — | 8:09 | — | — | 8:07 | — | — | 8:06 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 7mm), mostly falling on Sun morning. Warm (max 27°C on Tue morning, min 13°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 30°C on Tue afternoon, min 11°C on Thu night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
SHIP4088 | |||||
SHIP4172 | |||||
SHIP11127 | |||||
SHIP4455 | |||||
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.